GB1473969A - Recessed screw heads and drivers - Google Patents
Recessed screw heads and driversInfo
- Publication number
- GB1473969A GB1473969A GB3723675A GB3723675A GB1473969A GB 1473969 A GB1473969 A GB 1473969A GB 3723675 A GB3723675 A GB 3723675A GB 3723675 A GB3723675 A GB 3723675A GB 1473969 A GB1473969 A GB 1473969A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rib
- ribs
- screw
- driving
- grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005242 forging Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/002—Screwdrivers characterised by material or shape of the tool bit characterised by material used or surface finishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/003—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool star-shaped or multi-lobular, e.g. Torx-type, twelve-point star
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/919—Screw having driving contacts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Forging (AREA)
- Connection Of Plates (AREA)
- Knives (AREA)
Abstract
1473969 Forging; screwdrivers PHILLIPS SCREW CO 10 Sept 1975 [12 Sept 1974] 37236/75 Headings B3H and B3N [Also in Division F2] To improve the grip between a screwdriver and the driver-engageable surfaces of a screw head, a small rib, a few thousandths of an inch thick, is formed on at least one screw-engaging surface of the screwdriver. Preferably the driver engageable surfaces of the screw have similar but differently orientated ribs (see Division F2) into which the screwdriver ribs can bite, since the screw is normally of softer material that the driver. In Fig. 11, each driving surface 46 of a cruciform bit has two transverse ribs 50, 50a. Similar ribs may also be formed on the back-out faces 46<SP>1</SP> (Fig. 16, not shown). In Fig. 16A, a rib 52 extends along the free edge of each driving face, and optionally also of each back-out face, the rib being a projection, Fig. 17, or formed by hollowing the blade at 5A, Fig. 17A. A second rib (52a) may be provided parallel to the rib 52 (Fig. 19, not shown) or at an angle to the rib 52, (54) (Fig. 21, not shown). In Fig. 27, a series of transverse ribs 60 is provided on the inclined free edge 56 of each blade 34 of a cruciform bit. In Fig. 28 a rib 64 is formed at the bottom edge of each intermediate surface 36 separating the blades 34 of a cruciform bit, and a second rib (64a) (Fig. 33, not shown) may be added part-way up each surface 36. Similar ribs may be provided on the blades of a three blade bit (Figs 51-55, not shown). A punch 150, Figs 58, 59, for cold-forming the driving recess of a screw head has shallow grooves 168, e.g. a few thousandths of an inch deep, extending longitudinally of the driving face forming surfaces 162 to form small ribs on the driving faces of the recess. The grooves may be of constant section, as shown, or tapered (Figs 60, 61, not shown), or may be formed in the intermediate walls (184) of the punch (Figs 62, 63, not shown). Two or more grooves may be provided in each surface, and a groove or grooves may be formed in the back-out face forming surfaces 164.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/505,324 US4084478A (en) | 1974-09-12 | 1974-09-12 | Screw heads |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1473969A true GB1473969A (en) | 1977-05-18 |
Family
ID=24009871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3723675A Expired GB1473969A (en) | 1974-09-12 | 1975-09-10 | Recessed screw heads and drivers |
Country Status (12)
Country | Link |
---|---|
US (1) | US4084478A (en) |
JP (2) | JPS5550566B2 (en) |
AU (1) | AU492083B2 (en) |
CA (1) | CA1031197A (en) |
DE (1) | DE2538139C2 (en) |
ES (3) | ES440925A1 (en) |
FR (2) | FR2330905A1 (en) |
GB (1) | GB1473969A (en) |
IT (1) | IT1042493B (en) |
NL (1) | NL184338C (en) |
NZ (1) | NZ178612A (en) |
SE (2) | SE434765B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2221004A (en) * | 1988-07-21 | 1990-01-24 | Europ Ind Services Limited | Tamperproof fastener, punch and driving tool |
GB2493528A (en) * | 2011-08-09 | 2013-02-13 | Julia Rosamunde Jones | Tool head with enhanced engagement for removing damaged screws |
Families Citing this family (114)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4084478A (en) * | 1974-09-12 | 1978-04-18 | Phillips Screw Company | Screw heads |
JPS579376Y2 (en) * | 1977-01-31 | 1982-02-23 | ||
US4202244A (en) * | 1978-07-26 | 1980-05-13 | Technofast, Inc. | Recessed head screw |
US4269246A (en) * | 1979-05-10 | 1981-05-26 | Textron Inc. | Fastener and driver assembly |
JPS5644208U (en) * | 1979-09-13 | 1981-04-21 | ||
FR2469250A1 (en) * | 1979-11-12 | 1981-05-22 | Defougeres Pierre | Tapered cruciform bit for screw-driver - has identical tapered wings at ninety degree intervals and is in one pressed piece |
US4355552A (en) * | 1980-04-14 | 1982-10-26 | Technofast, Inc. | Recessed head screw |
DE3174306D1 (en) * | 1980-07-23 | 1986-05-15 | Gkn Screws Fasteners Ltd | Fastener and driver combination |
US4483037A (en) * | 1982-11-22 | 1984-11-20 | Jacobson Jeff A | Blind cleaning device |
US4589154A (en) * | 1983-05-06 | 1986-05-20 | John Vaughn | Method and apparatus for forming the head of a high torque fastener |
US4590825A (en) * | 1983-05-06 | 1986-05-27 | John Vaughn | High torque fastener and driving tool |
US4497225A (en) * | 1983-05-06 | 1985-02-05 | John Vaughn | High torque fastener and driving tool |
US4481897A (en) * | 1983-06-16 | 1984-11-13 | The Singer Company | Clutching arrangement for a sewing machine bobbin |
US4998454A (en) * | 1988-11-14 | 1991-03-12 | Black & Decker Inc. | Screwdriver bit for phillips-head fasteners |
CA2062012C (en) * | 1991-03-05 | 2003-04-29 | Randall D. Ross | Bioabsorbable interference bone fixation screw |
US5120173A (en) * | 1991-07-26 | 1992-06-09 | Phillips Screw Company | Screw head with slant rib |
US5203742A (en) * | 1991-07-26 | 1993-04-20 | Phillips Screw Company | Punch for making such screw heads with slant rib |
US5156509A (en) * | 1991-09-03 | 1992-10-20 | Wu Szu Hsien | Waterproof screw fastener |
US5562547A (en) * | 1994-08-12 | 1996-10-08 | Borzone; Richard | Self-attachment screw |
US6223634B1 (en) * | 1997-10-03 | 2001-05-01 | Phillips Screw Company | Recessed head fastener and driver systems |
US5957645A (en) | 1997-10-31 | 1999-09-28 | Phillips Screw Company | Spiral drive system for threaded fasteners |
US6698315B1 (en) | 1998-04-13 | 2004-03-02 | Wright Tool Company | High torque wrenching system |
JP3050542B1 (en) * | 1998-12-18 | 2000-06-12 | 有限会社新城製作所 | Screws with holed heads and their driver bits |
US6199455B1 (en) | 1999-03-08 | 2001-03-13 | Jjct Enterprises, Inc. | Driver, fastener and forming tool |
JP4493135B2 (en) * | 2000-01-06 | 2010-06-30 | 勝行 戸津 | Screw and driver bit combination |
DE20009358U1 (en) * | 2000-05-24 | 2000-08-10 | Wiha Werkzeuge Willi Hahn GmbH & Co. KG, 78136 Schonach | Pick-up head for a tool with a slot or polygonal actuation tip |
US6655241B2 (en) * | 2002-01-12 | 2003-12-02 | Burton Kozak | Anti-skip fastener tightening and/or extraction device |
WO2004065067A1 (en) * | 2003-01-24 | 2004-08-05 | Katsuyuki Totsu | Screw driver bit and combination thereof with screw |
JP4205990B2 (en) * | 2003-05-30 | 2009-01-07 | 日東精工株式会社 | Screw with drive hole and driver bit |
US7293949B2 (en) * | 2004-04-15 | 2007-11-13 | Phillips Screw Company | Spiral drive fastener with friction engageable surface |
US7658751B2 (en) | 2006-09-29 | 2010-02-09 | Biomet Sports Medicine, Llc | Method for implanting soft tissue |
US8137382B2 (en) | 2004-11-05 | 2012-03-20 | Biomet Sports Medicine, Llc | Method and apparatus for coupling anatomical features |
US7749250B2 (en) | 2006-02-03 | 2010-07-06 | Biomet Sports Medicine, Llc | Soft tissue repair assembly and associated method |
US8361113B2 (en) | 2006-02-03 | 2013-01-29 | Biomet Sports Medicine, Llc | Method and apparatus for coupling soft tissue to a bone |
US9801708B2 (en) | 2004-11-05 | 2017-10-31 | Biomet Sports Medicine, Llc | Method and apparatus for coupling soft tissue to a bone |
US8118836B2 (en) | 2004-11-05 | 2012-02-21 | Biomet Sports Medicine, Llc | Method and apparatus for coupling soft tissue to a bone |
US8840645B2 (en) | 2004-11-05 | 2014-09-23 | Biomet Sports Medicine, Llc | Method and apparatus for coupling soft tissue to a bone |
US8298262B2 (en) | 2006-02-03 | 2012-10-30 | Biomet Sports Medicine, Llc | Method for tissue fixation |
US20060189993A1 (en) | 2004-11-09 | 2006-08-24 | Arthrotek, Inc. | Soft tissue conduit device |
US9017381B2 (en) | 2007-04-10 | 2015-04-28 | Biomet Sports Medicine, Llc | Adjustable knotless loops |
US8128658B2 (en) | 2004-11-05 | 2012-03-06 | Biomet Sports Medicine, Llc | Method and apparatus for coupling soft tissue to bone |
US8088130B2 (en) | 2006-02-03 | 2012-01-03 | Biomet Sports Medicine, Llc | Method and apparatus for coupling soft tissue to a bone |
US8303604B2 (en) | 2004-11-05 | 2012-11-06 | Biomet Sports Medicine, Llc | Soft tissue repair device and method |
US7905904B2 (en) | 2006-02-03 | 2011-03-15 | Biomet Sports Medicine, Llc | Soft tissue repair device and associated methods |
US7909851B2 (en) | 2006-02-03 | 2011-03-22 | Biomet Sports Medicine, Llc | Soft tissue repair device and associated methods |
US8998949B2 (en) | 2004-11-09 | 2015-04-07 | Biomet Sports Medicine, Llc | Soft tissue conduit device |
US7914539B2 (en) * | 2004-11-09 | 2011-03-29 | Biomet Sports Medicine, Llc | Tissue fixation device |
US7438513B2 (en) * | 2005-08-04 | 2008-10-21 | Phillips Screw Company | Ribbed fastener |
US8597327B2 (en) | 2006-02-03 | 2013-12-03 | Biomet Manufacturing, Llc | Method and apparatus for sternal closure |
US9078644B2 (en) | 2006-09-29 | 2015-07-14 | Biomet Sports Medicine, Llc | Fracture fixation device |
US8562647B2 (en) | 2006-09-29 | 2013-10-22 | Biomet Sports Medicine, Llc | Method and apparatus for securing soft tissue to bone |
US8801783B2 (en) | 2006-09-29 | 2014-08-12 | Biomet Sports Medicine, Llc | Prosthetic ligament system for knee joint |
US8251998B2 (en) | 2006-08-16 | 2012-08-28 | Biomet Sports Medicine, Llc | Chondral defect repair |
US11259792B2 (en) | 2006-02-03 | 2022-03-01 | Biomet Sports Medicine, Llc | Method and apparatus for coupling anatomical features |
US8574235B2 (en) | 2006-02-03 | 2013-11-05 | Biomet Sports Medicine, Llc | Method for trochanteric reattachment |
US10517587B2 (en) | 2006-02-03 | 2019-12-31 | Biomet Sports Medicine, Llc | Method and apparatus for forming a self-locking adjustable loop |
US8968364B2 (en) | 2006-02-03 | 2015-03-03 | Biomet Sports Medicine, Llc | Method and apparatus for fixation of an ACL graft |
US9149267B2 (en) | 2006-02-03 | 2015-10-06 | Biomet Sports Medicine, Llc | Method and apparatus for coupling soft tissue to a bone |
US8562645B2 (en) | 2006-09-29 | 2013-10-22 | Biomet Sports Medicine, Llc | Method and apparatus for forming a self-locking adjustable loop |
US9538998B2 (en) | 2006-02-03 | 2017-01-10 | Biomet Sports Medicine, Llc | Method and apparatus for fracture fixation |
US8771352B2 (en) | 2011-05-17 | 2014-07-08 | Biomet Sports Medicine, Llc | Method and apparatus for tibial fixation of an ACL graft |
US11311287B2 (en) | 2006-02-03 | 2022-04-26 | Biomet Sports Medicine, Llc | Method for tissue fixation |
US8652171B2 (en) | 2006-02-03 | 2014-02-18 | Biomet Sports Medicine, Llc | Method and apparatus for soft tissue fixation |
US8506597B2 (en) | 2011-10-25 | 2013-08-13 | Biomet Sports Medicine, Llc | Method and apparatus for interosseous membrane reconstruction |
US8652172B2 (en) | 2006-02-03 | 2014-02-18 | Biomet Sports Medicine, Llc | Flexible anchors for tissue fixation |
US9468433B2 (en) | 2006-02-03 | 2016-10-18 | Biomet Sports Medicine, Llc | Method and apparatus for forming a self-locking adjustable loop |
US9271713B2 (en) | 2006-02-03 | 2016-03-01 | Biomet Sports Medicine, Llc | Method and apparatus for tensioning a suture |
US20070207009A1 (en) * | 2006-03-06 | 2007-09-06 | Teng-Hung Lin | Screw with a recess in the head of the screw |
US8739660B2 (en) * | 2006-04-24 | 2014-06-03 | Ttapdrive As | Screw head and tool for use therewith |
GB2437537A (en) * | 2006-04-24 | 2007-10-31 | Jone Edland | Screw head with hexalobular recess and corresponding tool |
NO342212B1 (en) * | 2006-04-24 | 2018-04-16 | Ttap Drive As | Screw head and tools for use with the same |
US11259794B2 (en) | 2006-09-29 | 2022-03-01 | Biomet Sports Medicine, Llc | Method for implanting soft tissue |
US9918826B2 (en) | 2006-09-29 | 2018-03-20 | Biomet Sports Medicine, Llc | Scaffold for spring ligament repair |
US8500818B2 (en) | 2006-09-29 | 2013-08-06 | Biomet Manufacturing, Llc | Knee prosthesis assembly with ligament link |
US8672969B2 (en) | 2006-09-29 | 2014-03-18 | Biomet Sports Medicine, Llc | Fracture fixation device |
SG147344A1 (en) * | 2007-05-02 | 2008-11-28 | Unisteel Technology Ltd | Screw head recess drive and corresponding driver tool and recess punch |
TWM341775U (en) * | 2008-04-11 | 2008-10-01 | Sheh Fung Screws Co Ltd | Screw with composite driving opening |
CA2729836A1 (en) * | 2008-04-21 | 2009-10-29 | Asia Fastening (Us), Inc. | Drive system |
JP5021599B2 (en) * | 2008-10-10 | 2012-09-12 | クラウン精密工業株式会社 | Cross groove structure for screwdriver bit fitting in screw |
US8343227B2 (en) | 2009-05-28 | 2013-01-01 | Biomet Manufacturing Corp. | Knee prosthesis assembly with ligament link |
US8291795B2 (en) | 2010-03-02 | 2012-10-23 | Phillips Screw Company | Fastener system with stable engagement and stick fit |
JP5576945B2 (en) * | 2010-11-17 | 2014-08-20 | シャープ株式会社 | Display device |
US9357991B2 (en) | 2011-11-03 | 2016-06-07 | Biomet Sports Medicine, Llc | Method and apparatus for stitching tendons |
US9314241B2 (en) | 2011-11-10 | 2016-04-19 | Biomet Sports Medicine, Llc | Apparatus for coupling soft tissue to a bone |
US9381013B2 (en) | 2011-11-10 | 2016-07-05 | Biomet Sports Medicine, Llc | Method for coupling soft tissue to a bone |
US9370350B2 (en) | 2011-11-10 | 2016-06-21 | Biomet Sports Medicine, Llc | Apparatus for coupling soft tissue to a bone |
US8770070B2 (en) * | 2012-04-23 | 2014-07-08 | Tsai-Fa Liu | Universal anti-torque screwdriver head structure |
US9757119B2 (en) | 2013-03-08 | 2017-09-12 | Biomet Sports Medicine, Llc | Visual aid for identifying suture limbs arthroscopically |
US8955418B2 (en) | 2013-03-08 | 2015-02-17 | Black & Decker Inc. | Threaded fastener driving tool |
US9918827B2 (en) | 2013-03-14 | 2018-03-20 | Biomet Sports Medicine, Llc | Scaffold for spring ligament repair |
US9422965B2 (en) | 2013-05-10 | 2016-08-23 | Bryce Fastener, Inc. | Methods and apparatus for asymmetrical fastening system |
US20150266169A1 (en) | 2013-05-10 | 2015-09-24 | Bryce Fastener, Inc | Methods and apparatus for asymmetrical fastening system |
DE102013105810A1 (en) * | 2013-06-05 | 2014-12-11 | Ejot Gmbh & Co. Kg | Screw with a screw head having a drive |
US10136886B2 (en) | 2013-12-20 | 2018-11-27 | Biomet Sports Medicine, Llc | Knotless soft tissue devices and techniques |
EP2932929B1 (en) * | 2014-04-15 | 2017-02-08 | Biedermann Technologies GmbH & Co. KG | A screw element for use in spinal, orthopedic or trauma surgery and a system of such a screw element and a screw driver adapted thereto |
US9615822B2 (en) | 2014-05-30 | 2017-04-11 | Biomet Sports Medicine, Llc | Insertion tools and method for soft anchor |
US9700291B2 (en) | 2014-06-03 | 2017-07-11 | Biomet Sports Medicine, Llc | Capsule retractor |
US10039543B2 (en) | 2014-08-22 | 2018-08-07 | Biomet Sports Medicine, Llc | Non-sliding soft anchor |
US9955980B2 (en) | 2015-02-24 | 2018-05-01 | Biomet Sports Medicine, Llc | Anatomic soft tissue repair |
US9974534B2 (en) | 2015-03-31 | 2018-05-22 | Biomet Sports Medicine, Llc | Suture anchor with soft anchor of electrospun fibers |
US9815324B2 (en) * | 2015-06-12 | 2017-11-14 | Hyundai Motor Company | Antitheft nut |
EP3822026A1 (en) | 2015-08-18 | 2021-05-19 | Infastech Intellectual Properties Pte. Ltd. | Tapered lobular driver and fastener |
US11458071B2 (en) | 2017-05-11 | 2022-10-04 | Scalpal Llc | Torque enhancer device for grasping and tooling, and assemblies and uses thereof |
CA3030388A1 (en) * | 2016-07-11 | 2018-01-18 | Phillips Screw Company | Fastener system with stabilizer ribs |
US11969864B2 (en) | 2017-05-11 | 2024-04-30 | Scalpal Llc | Multi-tier torque enhancer driver and/or receiver and method of using same |
US10995788B2 (en) | 2017-12-15 | 2021-05-04 | Phillips Screw Company | Stick fit fastener recess system |
US11466720B2 (en) | 2017-12-15 | 2022-10-11 | Phillips Screw Company | Stick fit fastener recess system |
US11026736B2 (en) * | 2018-02-19 | 2021-06-08 | Warsaw Orthopedic, Inc. | Surgical instrument and method |
USD889951S1 (en) * | 2018-11-19 | 2020-07-14 | Katsuyuki Totsu | Screw |
CN110732626B (en) * | 2019-10-28 | 2021-04-09 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Processing device for non-standard screw clamping groove of automobile |
US12000421B2 (en) | 2021-01-07 | 2024-06-04 | Illinois Tool Works Inc. | Self-drilling self-tapping fastener |
USD980707S1 (en) * | 2021-02-15 | 2023-03-14 | Min Woo Lee | Bolt |
USD1026636S1 (en) * | 2022-10-20 | 2024-05-14 | National Nail Corp. | Fastener head |
USD1035431S1 (en) * | 2022-10-20 | 2024-07-16 | National Nail Corp. | Fastener head |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL69290C (en) * | ||||
DE112475C (en) * | ||||
US101207A (en) * | 1870-03-29 | Improvement in screw and screw-driver | ||
US1741349A (en) * | 1928-12-19 | 1929-12-31 | Bridgeport Hardware Mfg Corp | Screw driver |
US1997422A (en) * | 1933-01-03 | 1935-04-09 | Lorenzen Hans | Screw and driver therefor |
NL42923C (en) * | 1934-07-03 | |||
US2474994A (en) * | 1942-12-30 | 1949-07-05 | American Screw Co | Screw socket |
US2567466A (en) * | 1946-04-22 | 1951-09-11 | Robert L Bartlett | Screw driver |
US2566055A (en) * | 1948-07-19 | 1951-08-28 | Sr Michael Daderko | Screw having a slotted head and a driving tool therefor |
US2676510A (en) * | 1950-09-23 | 1954-04-27 | Nat Screw & Mfg Company | Screw driver slot with driver wedging means |
NL205416A (en) * | 1955-03-16 | |||
US3108623A (en) * | 1959-05-05 | 1963-10-29 | Phillips Screw Co | Tools for recessed head fasteners |
US3237506A (en) * | 1963-10-22 | 1966-03-01 | Phillips Screw Co | Recessed head fasteners |
US3282145A (en) * | 1965-03-19 | 1966-11-01 | Wilmar L Prescott | Screw socket having tangential keyways |
US3584667A (en) * | 1966-09-19 | 1971-06-15 | Textron Inc | Coupling arrangement and tools for same |
US3548667A (en) | 1969-06-12 | 1970-12-22 | Ford Motor Co | Torque transfer gear case with a disengageable power takeoff |
US3656396A (en) * | 1970-08-05 | 1972-04-18 | Textron Inc | Protective fastener head |
JPS5129191Y2 (en) * | 1971-09-17 | 1976-07-22 | ||
US3854372A (en) * | 1972-10-20 | 1974-12-17 | Elco Industries Inc | Screw adapted for visible inspection of tightness |
SE381923B (en) | 1973-02-27 | 1975-12-22 | Bulten Kanthal Ab | FLANGE SCREW |
US4084478A (en) * | 1974-09-12 | 1978-04-18 | Phillips Screw Company | Screw heads |
-
1974
- 1974-09-12 US US05/505,324 patent/US4084478A/en not_active Expired - Lifetime
-
1975
- 1975-08-27 CA CA234,300A patent/CA1031197A/en not_active Expired
- 1975-08-27 DE DE2538139A patent/DE2538139C2/en not_active Expired
- 1975-09-05 FR FR7527379A patent/FR2330905A1/en active Granted
- 1975-09-08 NZ NZ178612A patent/NZ178612A/en unknown
- 1975-09-10 GB GB3723675A patent/GB1473969A/en not_active Expired
- 1975-09-11 IT IT27168/75A patent/IT1042493B/en active
- 1975-09-11 AU AU84756/75A patent/AU492083B2/en not_active Expired
- 1975-09-11 NL NLAANVRAGE7510733,A patent/NL184338C/en not_active IP Right Cessation
- 1975-09-11 SE SE7510131A patent/SE434765B/en not_active IP Right Cessation
- 1975-09-11 JP JP11043775A patent/JPS5550566B2/ja not_active Expired
- 1975-09-12 ES ES440925A patent/ES440925A1/en not_active Expired
-
1976
- 1976-05-05 FR FR7613420A patent/FR2302799A1/en active Granted
-
1977
- 1977-02-16 ES ES455982A patent/ES455982A1/en not_active Expired
- 1977-02-16 ES ES455983A patent/ES455983A1/en not_active Expired
-
1978
- 1978-10-17 JP JP53127778A patent/JPS5828075B2/en not_active Expired
- 1978-10-17 SE SE7810813A patent/SE446068B/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2221004A (en) * | 1988-07-21 | 1990-01-24 | Europ Ind Services Limited | Tamperproof fastener, punch and driving tool |
GB2493528A (en) * | 2011-08-09 | 2013-02-13 | Julia Rosamunde Jones | Tool head with enhanced engagement for removing damaged screws |
GB2493528B (en) * | 2011-08-09 | 2016-12-07 | Rosamunde Jones Julia | Tool heads |
Also Published As
Publication number | Publication date |
---|---|
SE446068B (en) | 1986-08-11 |
NZ178612A (en) | 1979-08-31 |
ES440925A1 (en) | 1977-06-16 |
US4084478A (en) | 1978-04-18 |
SE7510131L (en) | 1976-03-15 |
CA1031197A (en) | 1978-05-16 |
IT1042493B (en) | 1980-01-30 |
NL184338C (en) | 1989-06-16 |
SE7810813L (en) | 1978-10-17 |
JPS5550566B2 (en) | 1980-12-18 |
FR2302799B1 (en) | 1979-07-27 |
ES455982A1 (en) | 1978-02-16 |
JPS5471500A (en) | 1979-06-08 |
FR2302799A1 (en) | 1976-10-01 |
DE2538139A1 (en) | 1976-03-25 |
SE434765B (en) | 1984-08-13 |
AU492083B2 (en) | 1977-03-17 |
ES455983A1 (en) | 1978-02-16 |
NL7510733A (en) | 1976-03-16 |
DE2538139C2 (en) | 1982-07-29 |
AU8475675A (en) | 1977-03-17 |
JPS5154152A (en) | 1976-05-13 |
FR2330905B1 (en) | 1979-08-03 |
FR2330905A1 (en) | 1977-06-03 |
JPS5828075B2 (en) | 1983-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1473969A (en) | Recessed screw heads and drivers | |
US4325153A (en) | Combined screwdriver and boring apparatus | |
CA2476897A1 (en) | Fastener having recess useable with multiple drivers and method of manufacture | |
GB1150382A (en) | Improvements in Screws, and a Screw Driver therefor | |
US3933075A (en) | Self-drilling fastener and method of making same | |
GB1363405A (en) | Combination tool | |
GB1463785A (en) | Spade drill bit | |
GB882898A (en) | Improvements relating to drive fasteners | |
US2182568A (en) | Screw | |
GB1434301A (en) | Dry-wall screw fastener | |
US2792039A (en) | Slotted screw head and driver therefor having non-burring engagement | |
GB2063743A (en) | Screwdriver blades | |
GB1498684A (en) | Screw drivers | |
US20050076749A1 (en) | Driving tool member having anti-slip device | |
JP4731054B2 (en) | Combination with screw and driver bit and header punch for screw production | |
GB1223900A (en) | Improvements in or relating to tamperproof screws | |
NZ330747A (en) | Brad comprising a shank having a point at one end thereof, the tip or edge of the point being asymmetrically offset with respect to the longitudinal axis of the shank | |
US2815054A (en) | Removal tool for recessed head screws | |
US2868057A (en) | Sheet metal nail tapered opposite the drawn penetrating end | |
GB1327719A (en) | Oval-headed screw | |
US374701A (en) | Wood-screw | |
US4165673A (en) | Metal stamped and formed screw | |
GB1498827A (en) | Screw and screwdriver | |
GB1147581A (en) | Improvements in and relating to driving tools | |
GB1487704A (en) | Method of and finishing punch for cold forming recesses in the heads of screw fasteners |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19950909 |